The article talks about different kinds of strategic games and how they work. It defines games where players make decisions, like chess or poker. These games can have different levels of information available to the players. Various ways of finding solutions to these games are discussed, like making the best choices possible, taking into account what others might do. It also covers how to figure out the best strategies when players get new information during the game. Overall, it's about understanding the best ways to play and win these strategic games, whether you know everything that's happening or have to guess sometimes.